Support Eclipse 4.6 Neon

eclipse.buildId=4.6.0.I20160525-2000
java.version=1.8.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments: -product org.eclipse.epp.package.java.product -product org.eclipse.epp.package.java.product -product org.eclipse.epp.package.java.product
Command-line arguments: -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.java.product -product org.eclipse.epp.package.java.product -data file:/Users/mparfianowicz/.eclipse-4.6-workspace/ -product org.eclipse.epp.package.java.product

org.eclipse.ui
Error
Tue Jun 14 15:51:17 CEST 2016
Unhandled event loop exception

org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)
 at org.eclipse.swt.SWT.error(SWT.java:4533)
 at org.eclipse.swt.SWT.error(SWT.java:4448)
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185)
 at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4024)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3700)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
 at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
 at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:497)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
Caused by: java.lang.NullPointerException
 at com.atlassian.clover.eclipse.testopt.views.actions.SavingsNotificationContributionItem$1$1.run(SavingsNotificationContributionItem.java:33)
 at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
 ... 23 more